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<div class="pubnavejj"> <div class="g-wrap"> <div class="crumbs"><a href="/">首页</a> > <a href="/html/newslist31.html">新闻资讯</a> > <a href="/html/newslist171.html">行业新闻</a></div> </div> </div> <div class="ybaboutadesc wow fadeInUp delay_4s"> <div class="newdescall"> <div class="newdetail-title"> 可燃气体报警仪检‹¹‹åŽŸç†åŠä½¿ç”¨æ–ÒŽ³• <p>2020-12-3 15:10:20</p> </div> <div class="newdetail-con"><p>在工业环境中åQŒå¦‚果可燃气体发生泄漏,可燃气体报警器就会在气体‹¹“度辑ֈ°è®„¡½®ä¸´ç•Œç‚ÒŽ—¶å‘出警报。而ä‹É用单位接收到报警信号后,也会˜q…速采取安全措施进行气体泄漏事故的处理åQŒä»Žè€Œé˜²æ­¢é‡å¤§å®‰å…¨äº‹æ•…的发生。所以,报警器的量值是否准¼‹®ï¼Œž®†ç›´æŽ¥å…³¾pÕdˆ°å¯ç‡ƒæ°”体的ä‹É用安全。因此,有必要对可燃气体报警器计量检定与计量½Ž¡ç†é—®é¢˜å±•å¼€ç ”究åQŒä»¥ä¾¿äؓäºÞZ»¬çš„生命胦产安全提供保障ã€?/p><p><br/></p><p><strong>可燃气体‹‚€‹¹‹æŠ¥è­¦å™¨çš„原ç?/strong><br/>在可燃气体报警器的设计中åQŒä¼ æ„Ÿå™¨å’Œå•ç‰‡æœºéƒ½æ˜¯ä»ªå™¨çš„核心部件。可燃性气体浓度信号通过气体传感器将有毒可燃气体‹¹“度信号转换成电压信åøP¼Œ¾lè¿‡å‰ç½®æ”‘Ö¤§ç”µèµ\后,直接输出数字信号或经˜q‡A/D转换输出一个适合单片机接收的电压信号åQŒç„¶åŽé€å…¥å•ç‰‡æœÞZ¸­åQŒæ¨¡æ‹Ÿç”µåŽ‹ä¿¡å·éœ€¾lçº¿æ€§åŒ–数据处理后,ž®†ç”µåŽ‹ä¿¡å¯‚{化成对应的十六进制浓度倹{€‚最后,ž®†æµ“度值送入LCD昄¡¤ºå±æ˜¾½Cºã€‚当‹‚€‹¹‹åˆ°çš„有毒可燃气体浓度超å‡ÞZ¸Šé™æŠ¥è­¦è®¾å®šå€¼æ—¶åQŒæŠ¥è­¦å™¨å‘出声光报警åQŒåŒæ—¶æ˜¾½Cºå±æ˜„¡¤ºç›¸åº”状态。新型简易型可燃气体‹‚€‹¹‹äÈA主要是指便携å¼?手持式气体检‹¹‹å™¨ã€‚主要利用气体传感器来检‹¹‹çŽ¯å¢ƒä¸­å­˜åœ¨çš„气体种¾c»ï¼Œé‡‡ç”¨å…ˆè¿›çš„进口电化学传感器,它应用控制电位电解法原理åQŒå…¶æž„造是在电解池内安¾|®äº†ä¸‰ä¸ªç”‰|žåQŒå³å·¥ä½œç”‰|žåQŒå¯¹ç”‰|žå’Œå‚比电极,òq¶æ–½åŠ ä»¥ä¸€å®šçš„极化电压åQŒæ›´æ¢ä¸åŒæ°”体的传感器åƈ改变极化电压数å€û|¼Œå›_¯‹¹‹é‡å‡ÞZ¸åŒçš„气体。被‹¹‹æ°”体透过薄膜到达工作甉|žåQŒå‘生氧化还原反应,传感器此时将有一微小甉|µè¾“出åQŒæ­¤ç”‰|µä¸Žæœ‰æ¯’有å®Ïx°”体浓度成正比关系åQŒè¿™ä¸ªç”µ‹¹ä¿¡åïL»é‡‡æ ·å¤„理转变为电压,电压信号再经˜q‡æ”¾å¤§åŽ˜q›è¡Œç”µåŽ‹ç”‰|µè½¬æ¢åQŒåƈ把有毒有å®Ïx°”体检‹¹‹èŒƒå›´å†…的含量(ppmå€û|¼‰è½¬æ¢æˆ?ï½?0mA标准信号输出ã€?br/> <br/><strong>可燃气体‹‚€‹¹‹æŠ¥è­¦å™¨ä½¿ç”¨æ–ÒŽ³•</strong></p><p><br/><strong>1、可燃气体报警器‹‚€‹¹?/strong><br/>可燃气体报警器检‹¹‹åŽŸç†ä¸»è¦æœ‰å‚¬åŒ–燃烧、红外、热å¯û|¼Œä¹Ÿè¦æ ÒŽ®é‡ç¨‹ã€çŽ°åœºçŽ¯å¢ƒä»¥åŠç”¨æˆïLš„需求而定。可燃气体报警器‹‚€‹¹‹æ°”体是靠探头来完成åQŒæŽ¢å¤´æ£€‹¹‹åˆ°å¯ç‡ƒæ°”体了,它首先作出反应,ž®±æ˜¯æŠŠå°†é™æ°”信号转成电信号传送到控制器,发出报警信号åQŒæ­¤ä¿¡å·çš„不同主要是依据仪表昄¡¤ºçš„可燃气体爆ç‚怸‹é™çš„癑ֈ†æ¯”浓度值来¼‹®å®šçš„,‹¹“度­‘Šé«˜åQŒä¿¡å¯‚¶Šå¼ºã€?/p><p><br/><strong>2、可燃气体报警器的工作环境和温湿度要æ±?/strong><br/>可燃气体报警器对环境的要求也是有一定范围的åQŒé€šå¸¸å·¥ä½œçš„环境要求温度范围控制在åQ?-40åQ‰â„ƒåQ›ç›¸å¯ÒŽ¹¿åº¦äؓ85åQ…RHã€?/p><p><br/><strong>3、可燃气体报警器安装å¯ÒŽ£€‹¹‹é¢¿U¯çš„要求</strong><br/>可燃气体报警器要惌™¾¾åˆ°é¢„期的效果åQŒèƒ½å¤ŸçœŸæ­£æœ¾lå®‰å…¨éšæ‚£ï¼Œå¿…须要考虑的问题就是监‹¹‹åœºæ‰€çš„面¿U¯ï¼Œæ ÒŽ®é¢ç§¯çš„大ž®è€ƒè™‘安装报警器的数量åQŒä¸ç„¶æŠ¥è­¦å™¨ž®±æ˜¯ä¸€ä¸ªæ‘†è®¾ï¼Œèµ·ä¸åˆ°æŠ¥è­¦çš„效果。如果检‹¹‹åŒºåŸŸçš„面积不èƒö20òq»I¼Œ1个主机外åŠ?个气体探‹¹‹å™¨ž®±å¯ä»¥æ»¡­‘Œ™¦æ±‚,但是如果‹‚€‹¹‹é¢¿U¯è¶…˜q‡äº†20òq³ç±³åQŒé‚£ä¹ˆä¸»æœºé€šé“和探‹¹‹å™¨çš„数量就要增加了ã€?/p><p></p><script 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